adattárházakból
Adattárházakból, or "from data warehouses" in Hungarian, refers to the process of extracting, transforming, and loading data from one or more data warehouses into another system or data store. This is a common practice in data management and business intelligence. Data warehouses are designed for analytical querying and reporting, storing historical data from various operational systems. When data needs to be moved, consolidated, or prepared for specific analytical purposes that cannot be directly served by the existing warehouse, the "adattárházakból" process is initiated.
This process typically involves an Extract, Transform, Load (ETL) or Extract, Load, Transform (ELT) methodology. Extraction
The reasons for performing "adattárházakból" operations are varied. It might be to create specialized data marts